1. Department of Clinical Laboratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, China
2. Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, China
3. Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, China
4. Department of Infectious Disease, The Fifth Affiliated Hospital of Guangzhou Medical University, China
5. Department of Geriatrics, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, China
6. Department of Clinical Medicine, The Second Affiliated Hospital of Guangzhou Medical University, China
7. Baoan Maternal and Child Health Hospital of Jinan University, China
8. Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, China
9. Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, China